(відходити) відриватися від противника
time-gain control / gain time control
gain advantage over the enemy
gain the (enemy's) rear
overwhelm an enemy / overwhelm the enemy
gain a foothold
gain altitude
gain booty
gain files
transducer gain
gain decisive results
incremental gain
incremental power gain
gain bona fides
automatic gain control
sum gain
swept gain
gain viсtory
capitalize one's gain
consolidate a gain
gain a footing
gain by force
gain concealment
gain information
gain intelligence
gain possession (of)
gain scope for maneuver
gain superiority (over)
gain surprise
gain the upper hand
gain touch
gain victory
gain а commission